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-rw-r--r--sample/openssl/smime_write.rb23
1 files changed, 23 insertions, 0 deletions
diff --git a/sample/openssl/smime_write.rb b/sample/openssl/smime_write.rb
new file mode 100644
index 0000000..ce32cd8
--- /dev/null
+++ b/sample/openssl/smime_write.rb
@@ -0,0 +1,23 @@
+require 'openssl'
+require 'getopts'
+include OpenSSL
+
+getopts nil, "c:", "k:", "r:"
+
+cert_file = $OPT_c
+key_file = $OPT_k
+rcpt_file = $OPT_r
+
+cert = X509::Certificate.new(File::read(cert_file))
+key = PKey::RSA.new(File::read(key_file))
+
+data = "Content-Type: text/plain\r\n"
+data << "\r\n"
+data << "This is a clear-signed message.\r\n"
+
+p7sig = PKCS7::sign(cert, key, data, [], PKCS7::DETACHED)
+smime0 = PKCS7::write_smime(p7sig)
+
+rcpt = X509::Certificate.new(File::read(rcpt_file))
+p7enc = PKCS7::encrypt([rcpt], smime0)
+print PKCS7::write_smime(p7enc)